🧮 Simple Calculator

📌 Description

A simple calculator project that performs basic arithmetic operations.

⚙️ Features

• Addition
• Subtraction
• Multiplication
• Division

🛠️ Technologies

• Java (or HTML/CSS/JS if bạn làm web)

▶️ How to run

If Java:

1. Open in IDE
2. Run the main file

If Web:

1. Open index.html in browser

🎯 Purpose

• Practice building a small project
• Apply programming logic

📚 What I learned

• Handling user input
• Writing clean and simple logic
• Debugging basic errors

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💡 This is a beginner-friendly project.